JP7304807B2 - バルブユニット - Google Patents

バルブユニット Download PDF

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Publication number
JP7304807B2
JP7304807B2 JP2019237396A JP2019237396A JP7304807B2 JP 7304807 B2 JP7304807 B2 JP 7304807B2 JP 2019237396 A JP2019237396 A JP 2019237396A JP 2019237396 A JP2019237396 A JP 2019237396A JP 7304807 B2 JP7304807 B2 JP 7304807B2
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JP
Japan
Prior art keywords
oil passage
pressure regulating
regulating valve
pressure
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2019237396A
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English (en)
Japanese (ja)
Other versions
JP2021105426A (ja
Inventor
尚也 岡本
紀太 鳥取
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kubota Corp filed Critical Kubota Corp
Priority to JP2019237396A priority Critical patent/JP7304807B2/ja
Priority to EP20206776.5A priority patent/EP3872359B1/fr
Priority to US17/095,720 priority patent/US11460080B2/en
Publication of JP2021105426A publication Critical patent/JP2021105426A/ja
Application granted granted Critical
Publication of JP7304807B2 publication Critical patent/JP7304807B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/024—Pressure relief valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0405—Valve members; Fluid interconnections therefor for seat valves, i.e. poppet valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • F16K31/0665—Lift valves with valve member being at least partially ball-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/365—Directional control combined with flow control and pressure control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/521—Pressure control characterised by the type of actuation mechanically
    • F15B2211/522—Pressure control characterised by the type of actuation mechanically actuated by biasing means, e.g. spring-actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7052—Single-acting output members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/06—Details

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Safety Valves (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Motor Power Transmission Devices (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Transmission Device (AREA)
JP2019237396A 2019-12-26 2019-12-26 バルブユニット Active JP7304807B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019237396A JP7304807B2 (ja) 2019-12-26 2019-12-26 バルブユニット
EP20206776.5A EP3872359B1 (fr) 2019-12-26 2020-11-10 Unité de soupape
US17/095,720 US11460080B2 (en) 2019-12-26 2020-11-11 Valve unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019237396A JP7304807B2 (ja) 2019-12-26 2019-12-26 バルブユニット

Publications (2)

Publication Number Publication Date
JP2021105426A JP2021105426A (ja) 2021-07-26
JP7304807B2 true JP7304807B2 (ja) 2023-07-07

Family

ID=73343814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019237396A Active JP7304807B2 (ja) 2019-12-26 2019-12-26 バルブユニット

Country Status (3)

Country Link
US (1) US11460080B2 (fr)
EP (1) EP3872359B1 (fr)
JP (1) JP7304807B2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11365803B2 (en) * 2020-07-21 2022-06-21 Deere & Company Hydraulic device with decoupled filler insert for hydraulic circuit volume reduction

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001108124A (ja) 1999-10-13 2001-04-20 Kayaba Ind Co Ltd リリーフ弁
JP2003227561A (ja) 2002-02-01 2003-08-15 Kanzaki Kokyukoki Mfg Co Ltd 作業車輌用トランスミッション
US20100065135A1 (en) 2006-12-22 2010-03-18 Rueb Winfried Controlling device for hydraulic consumers
WO2018212289A1 (fr) 2017-05-19 2018-11-22 アイシン・エィ・ダブリュ株式会社 Soupape de décharge

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420554A (en) * 1943-05-12 1947-05-13 Int Harvester Co Fluid pressure regulation and control apparatus
US4034563A (en) * 1976-07-28 1977-07-12 International Harvester Company Load sensitive hydraulic system
JP3103688B2 (ja) * 1991-09-30 2000-10-30 光洋精工株式会社 油圧パワーステアリング装置
US5599247A (en) 1994-06-15 1997-02-04 Kanzaki Kokyukoki Mfg. Co., Ltd. Transmission assembly for tractors
JPH08156620A (ja) * 1994-12-06 1996-06-18 Kanzaki Kokyukoki Mfg Co Ltd 作業車両用の油供給装置
JPH0828601A (ja) 1994-07-21 1996-02-02 Kanzaki Kokyukoki Mfg Co Ltd 油圧クラッチ用の調圧弁装置
US6601474B2 (en) * 2000-09-05 2003-08-05 Kanzaki Kokyukoki Mfg. Co., Ltd. Hydrostatic transmission and power train for vehicle
EP1245424B1 (fr) * 2001-03-26 2008-06-18 Kanzaki Kokyukoki MFG. Co., Ltd. Agencement de transmission avec prise de force pour véhicule utilitaire
JP2009168218A (ja) * 2008-01-18 2009-07-30 Toyota Motor Corp 液圧テンショナ
US9151301B2 (en) * 2012-06-11 2015-10-06 Ricon Corp. Hydraulic system and arrangement for an access arrangement
JP6237746B2 (ja) * 2015-11-05 2017-11-29 トヨタ自動車株式会社 変速機の油圧制御回路

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001108124A (ja) 1999-10-13 2001-04-20 Kayaba Ind Co Ltd リリーフ弁
JP2003227561A (ja) 2002-02-01 2003-08-15 Kanzaki Kokyukoki Mfg Co Ltd 作業車輌用トランスミッション
US20100065135A1 (en) 2006-12-22 2010-03-18 Rueb Winfried Controlling device for hydraulic consumers
WO2018212289A1 (fr) 2017-05-19 2018-11-22 アイシン・エィ・ダブリュ株式会社 Soupape de décharge
CN110537046A (zh) 2017-05-19 2019-12-03 爱信艾达株式会社 安全阀

Also Published As

Publication number Publication date
US11460080B2 (en) 2022-10-04
JP2021105426A (ja) 2021-07-26
EP3872359B1 (fr) 2023-12-13
US20210199138A1 (en) 2021-07-01
EP3872359A3 (fr) 2022-01-19
EP3872359A2 (fr) 2021-09-01

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